Finding the Third Proportional to 1,188,226 and 1,788,012

Step by Step Solution

1. Step 1: Write the proportion equation
   1,188,226 : 1,788,012 = 1,788,012 : x
2. Step 2: Convert to fraction form
   1,188,226/1,788,012 = 1,788,012/x
3. Step 3: Cross multiply
   1,188,226x = 1,788,012 × 1,788,012
4. Step 4: Simplify right side
   1,188,226x = 3,196,986,912,144
5. Step 5: Solve for x
   x = 3,196,986,912,144/1,188,226
6. Step 6: Final answer
   x = 2,690,554.58